10 letter words:
recurrence14,
6 letter words:
recure8,
5 letter words:
recce9,
cerne7,
curer7,
recur7,
enure5,
rerun5,
4 letter words:
ecce8,
cere6,
cree6,
crue6,
cure6,
curn6,
curr6,
ecru6,
unce6,
erne4,
nurr4,
reen4,
ruer4,
rune4,
3 letter words:
cee5,
cru5,
cue5,
cur5,
ecu5,
rec5,
ruc5,
een3,
ene3,
ere3,
ern3,
err3,
nee3,
nur3,
ree3,
ren3,
rue3,
run3,
ure3,
urn3,
2 letter words:
ee2,
en2,
er2,
ne2,
nu2,
re2,
un2,
ur2,